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Finding the Fourth Proportional to 173,148.20, 259,722.30 and 153,319.40

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Solution

The fourth proportional to 173,148.20, 259,722.30 and 153,319.40 is: 229,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,148.20 : 259,722.30 = 153,319.40 : x
  2. Step 2: Convert to fraction form
    173,148.20/259,722.30 = 153,319.40/x
  3. Step 3: Cross multiply
    173,148.20x = 259,722.30 × 153,319.40
  4. Step 4: Simplify right side
    173,148.20x = 39,820,467,202.62
  5. Step 5: Solve for x
    x = 39,820,467,202.62/173,148.20
  6. Step 6: Final answer
    x = 229,979.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.